<template>
  <div class="search">
    <Row>
      <Col>
        <Card>
         <p slot="title">form表单</p>
          <Row @keydown.enter.native="handleSearch">
            <Form ref="searchForm" :model="searchForm" inline :label-width="70" class="search-form">
                <Form-item label="展商名称" prop="exhibitionName">
                  <Input type="text" v-model="searchForm.exhibitionName" placeholder="请输入展商名称" clearable style="width: 200px"/>
                </Form-item>
                <Form-item label="国别" prop="nationality">
                  <Select v-model="searchForm.nationality" placeholder="请选择" clearable style="width: 200px">
                    <Option value="0">请自行编辑下拉菜单</Option>
                  </Select>
                </Form-item>
                <Form-item label="产品类别" prop="productCategory">
                  <Select v-model="searchForm.productCategory" placeholder="请选择" clearable style="width: 200px">
                    <Option value="0">请自行编辑下拉菜单</Option>
                  </Select>
                </Form-item>
              <Form-item style="margin-left:-35px;" class="br">
                <Button @click="handleSearch" type="primary" icon="ios-search">搜索</Button>
                <Button @click="handleReset">重置</Button>
              </Form-item>
            </Form>
          </Row>
          <Row class="operation">
            <Button @click="add" type="primary" icon="md-add">添加</Button>
            <Button @click="delAll" icon="md-trash">批量删除</Button>
            <Button @click="getDataList" icon="md-refresh">刷新</Button>
            <circleLoading v-if="operationLoading"/>
          </Row>
          <Row>
            <Alert show-icon>
              已选择 <span class="select-count">{{selectCount}}</span> 项
              <a class="select-clear" @click="clearSelectAll">清空</a>
            </Alert>
          </Row>
          <Row>
            <Table :loading="loading" border :columns="columns" :data="data" ref="table" sortable="custom" @on-sort-change="changeSort" @on-selection-change="changeSelect"></Table>
          </Row>
          <Row type="flex" justify="end" class="page">
            <Page :current="pageNumber" :total="total" :page-size="pageSize" @on-change="changePage" @on-page-size-change="changePageSize" :page-size-opts="[10,20,50]" size="small" show-total show-elevator show-sizer></Page>
          </Row>
        </Card>
      </Col>
    </Row>
    <Modal :title="modalTitle" v-model="modalVisible" :mask-closable='false' :width="500">
      <Form ref="form" :model="form" :label-width="100" :rules="formValidate" >        <FormItem label="展商名称" prop="exhibitionName" >
          <Input v-model="form.exhibitionName" style="width:100%"/>
        </FormItem>
        <FormItem label="国别" prop="nationality" >
          <Select v-model="form.nationality" style="width:100%">
            <Option value="0">请自行编辑下拉菜单</Option>
          </Select>
        </FormItem>
        <FormItem label="产品类别" prop="productCategory" >
          <Select v-model="form.productCategory" style="width:100%">
            <Option value="0">请自行编辑下拉菜单</Option>
          </Select>
        </FormItem>
      </Form>
      <div slot="footer">
        <Button type="text" @click="modalVisible=false">取消</Button>
        <Button type="primary" :loading="submitLoading" @click="handleSubmit">提交</Button>
      </div>
    </Modal>
  </div>
</template>

<script>
// import circleLoading from "./views/my-components/circle-loading.vue";
export default {
  name: '',
  components: {
    // circleLoading,
  },
  data () {
    return {
      loading: true, // 表单加载状态
      operationLoading: false, // 操作加载状态
      modalType: 0, // 添加或编辑标识
      modalVisible: false, // 添加或编辑显示
      modalTitle: '', // 添加或编辑标题
      searchForm: { // 搜索框初始化对象
        pageNumber: 1, // 当前页数
        pageSize: 10, // 页面大小
        sort: 'createTime', // 默认排序字段
        order: 'desc' // 默认排序方式
      },
      form: { // 添加或编辑表单对象初始化数据
        exhibitionName: '',
        nationality: '',
        productCategory: ''
      },
      // 表单验证规则
      formValidate: {
        exhibitionName: [{ required: true, message: '不能为空', trigger: 'blur' }],
        nationality: [{ required: true, message: '不能为空', trigger: 'blur' }],
        productCategory: [{ required: true, message: '不能为空', trigger: 'blur' }]
      },
      submitLoading: false, // 添加或编辑提交状态
      selectList: [], // 多选数据
      selectCount: 0, // 多选计数
      columns: [
        // 表头
        {
          type: 'selection',
          width: 60,
          align: 'center'
        },
        {
          type: 'index',
          width: 60,
          align: 'center'
        },
        {
          title: '展商名称',
          key: 'exhibitionName',
          minWidth: 120,
          sortable: true
        },
        {
          title: '国别',
          key: 'nationality',
          minWidth: 120,
          sortable: true
        },
        {
          title: '产品类别',
          key: 'productCategory',
          minWidth: 120,
          sortable: true
        },
        {
          title: '操作',
          key: 'action',
          align: 'center',
          width: 200,
          render: (h, params) => {
            return h('div', [
              h(
                'Button',
                {
                  props: {
                    type: 'primary',
                    size: 'small',
                    icon: 'ios-create-outline'
                  },
                  style: {
                    marginRight: '5px'
                  },
                  on: {
                    click: () => {
                      this.edit(params.row)
                    }
                  }
                },
                '编辑'
              ),
              h(
                'Button',
                {
                  props: {
                    type: 'error',
                    size: 'small',
                    icon: 'md-trash'
                  },
                  on: {
                    click: () => {
                      this.remove(params.row)
                    }
                  }
                },
                '删除'
              )
            ])
          }
        }
      ],
      data: [], // 表单数据
      pageNumber: 1, // 当前页数
      pageSize: 10, // 页面大小
      total: 0 // 表单数据总数
    }
  },
  methods: {
    init () {
      this.getDataList()
    },
    changePage (v) {
      this.searchForm.pageNumber = v
      this.getDataList()
      this.clearSelectAll()
    },
    changePageSize (v) {
      this.searchForm.pageSize = v
      this.getDataList()
    },
    handleSearch () {
      this.searchForm.pageNumber = 1
      this.searchForm.pageSize = 10
      this.getDataList()
    },
    handleReset () {
      this.$refs.searchForm.resetFields()
      this.searchForm.pageNumber = 1
      this.searchForm.pageSize = 10
      // 重新加载数据
      this.getDataList()
    },
    changeSort (e) {
      this.searchForm.sort = e.key
      this.searchForm.order = e.order
      if (e.order === 'normal') {
        this.searchForm.order = ''
      }
      this.getDataList()
    },
    clearSelectAll () {
      this.$refs.table.selectAll(false)
    },
    changeSelect (e) {
      this.selectList = e
      this.selectCount = e.length
    },
    getDataList () {
      this.loading = true
      // 带多条件搜索参数获取表单数据 请自行修改接口
      // this.getRequest("请求路径", this.searchForm).then(res => {
      //   this.loading = false;
      //   if (res.success === true) {
      //     this.data = res.result.content;
      //     this.total = res.result.totalElements;
      //   }
      // });
      // 以下为模拟数据
      // this.data = [
      // ];
      this.total = this.data.length
      this.loading = false
    },
    handleSubmit () {
      this.$refs.form.validate(valid => {
        if (valid) {
          this.submitLoading = true
          if (this.modalType === 0) {
            // 添加 避免编辑后传入id等数据 记得删除
            delete this.form.id
            // this.postRequest("请求地址", this.form).then(res => {
            //   this.submitLoading = false;
            //   if (res.success === true) {
            //     this.$Message.success("操作成功");
            //     this.getDataList();
            //     this.modalVisible = false;
            //   }
            // });
            // 模拟请求成功
            this.submitLoading = false
            this.$Message.success('操作成功')
            this.getDataList()
            this.modalVisible = false
          } else {
            // 编辑
            // this.postRequest("请求地址", this.form).then(res => {
            //   this.submitLoading = false;
            //   if (res.success === true) {
            //     this.$Message.success("操作成功");
            //     this.getDataList();
            //     this.modalVisible = false;
            //   }
            // });
            // 模拟请求成功
            this.submitLoading = false
            this.$Message.success('操作成功')
            this.getDataList()
            this.modalVisible = false
          }
        }
      })
    },
    add () {
      this.modalType = 0
      this.modalTitle = '添加'
      this.$refs.form.resetFields()
      delete this.form.id
      this.modalVisible = true
    },
    edit (v) {
      this.modalType = 1
      this.modalTitle = '编辑'
      this.$refs.form.resetFields()
      // 转换null为""
      for (let attr in v) {
        if (v[attr] === null) {
          v[attr] = ''
        }
      }
      let str = JSON.stringify(v)
      let data = JSON.parse(str)
      this.form = data
      this.modalVisible = true
    },
    remove (v) {
      this.$Modal.confirm({
        title: '确认删除',
        // 记得确认修改此处
        content: '您确认要删除 ' + v.name + ' ?',
        onOk: () => {
          // 删除
          // this.operationLoading = true;
          // this.deleteRequest("请求地址，如/deleteByIds/" + v.id).then(res => {
          // this.operationLoading = false;
          //   if (res.success === true) {
          //     this.$Message.success("操作成功");
          //     this.getDataList();
          //   }
          // });
          // 模拟请求成功
          this.$Message.success('操作成功')
          this.getDataList()
        }
      })
    },
    delAll () {
      if (this.selectCount <= 0) {
        this.$Message.warning('您还未选择要删除的数据')
        return
      }
      this.$Modal.confirm({
        title: '确认删除',
        content: '您确认要删除所选的 ' + this.selectCount + ' 条数据?',
        onOk: () => {
          let ids = ''
          this.selectList.forEach(function (e) {
            ids += e.id + ','
          })
          ids = ids.substring(0, ids.length - 1)
          // 批量删除
          // this.operationLoading = true;
          // this.deleteRequest("请求地址，如/deleteByIds/" + ids).then(res => {
          // this.operationLoading = false;
          //   if (res.success === true) {
          //     this.$Message.success("操作成功");
          //     this.clearSelectAll();
          //     this.getDataList();
          //   }
          // });
          // 模拟请求成功
          this.$Message.success('操作成功')
          this.clearSelectAll()
          this.getDataList()
        }
      })
    }
  },
  mounted () {
    this.init()
  }
}
</script>
<style lang="less">
.search {
    .operation {
        margin-bottom: 2vh;
    }
    .select-count {
        font-size: 13px;
        font-weight: 600;
        color: #40a9ff;
    }
    .select-clear {
        margin-left: 10px;
    }
    .page {
        margin-top: 2vh;
    }
    .drop-down {
        font-size: 13px;
        margin-left: 5px;
    }
}
</style>
